<h2 class="aui-gutter-column-sm">Fixed</h2>
<lv-group [lvColumns]='["100px", "200px"]' lvRowGutter="10px" lvColumnGutter="15px">
    <ng-container *ngFor="let item of columnItems; let i = index">
        <div class="multi-column-item">{{i+1}}</div>
    </ng-container>
</lv-group>

<style type="text/css">
    .multi-column-item {
        padding: 5px;
        text-align: center;
        background: #eee;
    }
</style>